Thorium (noun)

A radioactive metallic element that is similar to uranium and can be used as a nuclear fuel.

Origin:

Named after thor, the norse god of thunder, by jöns jacob berzelius, who discovered it in 1828. .

Examples:

1. Thorium is a potential alternative to uranium as a nuclear fuel.
2. Thorium is a naturally occurring radioactive element.
3. Thorium reactors have the potential to produce less nuclear waste than traditional reactors.
4. Thorium's nuclear fuel cycle does not produce weapons-grade plutonium.
5. Thorium has a higher neutron yield per neutron absorbed than uranium or plutonium.